button_get.c

MCB2300_ucgui_LCD320240.rar LPC2368的uc/gui的移植

/*
*********************************************************************************************************
*   											 uC/GUI
*   					 Universal graphic software for embedded applications
*
*   					(c) Copyright 2002, Micrium Inc., Weston, FL
*   					(c) Copyright 2002, SEGGER Microcontroller Systeme GmbH
*
*   		   礐/GUI is protected by international copyright laws. Knowledge of the
*   		   source code may not be used to write a similar product. This file may
*   		   only be used in accordance with a license and should not be redistributed
*   		   in any way. We appreciate your understanding and fairness.
*
----------------------------------------------------------------------
File		: BUTTON_Get.c
Purpose 	: Button widget, various (optional) Get routines
---------------------------END-OF-HEADER------------------------------
*/

#include <string.h>
#include "BUTTON.h"
#include "BUTTON_Private.h"
#include "GUI_Protected.h"

#if GUI_WINSUPPORT

/*********************************************************************
*
*   	Exported functions
*
**********************************************************************
*/
/*********************************************************************
*
*   	BUTTON_GetBkColor  
*/
GUI_COLOR BUTTON_GetBkColor(BUTTON_Handle hObj, unsigned int Index)
{
	GUI_COLOR Color = 0;
	if (hObj && (Index < 2))
	{
		BUTTON_Obj * pObj;
		WM_LOCK();
		pObj = BUTTON_H2P(hObj);
		Color = pObj->Props.aBkColor[Index];
		WM_UNLOCK();
	}
	return Color;
}

/*********************************************************************
*
*   	BUTTON_GetFont     
*/
const GUI_FONT GUI_UNI_PTR * BUTTON_GetFont(BUTTON_Handle hObj)
{
	const GUI_FONT GUI_UNI_PTR * pFont = 0;
	if (hObj)
	{
		BUTTON_Obj * pObj;
		WM_LOCK();
		pObj = BUTTON_H2P(hObj);
		pFont = pObj->Props.pFont;
		WM_UNLOCK();
	}
	return pFont;
}

/*********************************************************************
*
*   	BUTTON_GetText  
*/
void BUTTON_GetText(BUTTON_Handle hObj, char *pBuffer, int MaxLen)
{
	if (hObj)
	{
		BUTTON_Obj * pObj;
		WM_LOCK();
		pObj = BUTTON_H2P(hObj);
		if (pObj->hpText)
		{
			const char * pText = (const char *) GUI_ALLOC_h2p(pObj->hpText);
			int Len = strlen(pText);
			if (Len > (MaxLen - 1))
			{
				Len = MaxLen - 1;
			}
			memcpy((void *) pBuffer, (const void *) pText, Len);
			*(pBuffer + Len) = 0;
		}
		else
		{
			*pBuffer = 0;     /* Empty string */
		}
		WM_UNLOCK();
	}
}

/*********************************************************************
*
*   	BUTTON_GetTextColor  
*/
GUI_COLOR BUTTON_GetTextColor(BUTTON_Handle hObj, unsigned int Index)
{
	GUI_COLOR Color = 0;
	if (hObj && (Index < 2))
	{
		BUTTON_Obj * pObj;
		WM_LOCK();
		pObj = BUTTON_H2P(hObj);
		Color = pObj->Props.aTextColor[Index];
		WM_UNLOCK();
	}
	return Color;
}

#else   						 /* Avoid problems with empty object modules */
void BUTTON_Get_C(void)
{
}
#endif